Water-changing-free terrarium with pipeline type biofiltration system

Abstract

A water-changing-free terrarium with pipeline type biofiltration system is provided, which includes: a terrarium body; a box body, disposed in the terrarium body and fixedly connected to a bottom of the terrarium body; a filtration assembly, disposed in the box body. The box body is provided with a first partition and a second partition therein, which are perpendicular to a bottom of the box body, and the first partition and the second partition are fixedly connected to the bottom of the box body. A filtration groove is defined between the first partition and the second partition, and is provided with filtration cotton therein. Through the filtration assembly, most impurities in the water are filtered and decomposed in the modified filter material. The purified water flows back to the terrarium through the outlet pipe, and other undecomposed impurities are adsorbed on the filtration cotton, which is beneficial for subsequent centralized cleaning.

What is claimed is: 
     
         1 . A water-changing-free terrarium with a pipeline type biofiltration system, comprising:
 a terrarium body ( 1 );   a box body ( 2 ), disposed in the terrarium body ( 1 ), and fixedly connected to a bottom of the terrarium body ( 1 ); and   a filtration assembly ( 6 ), disposed in the box body ( 2 );   wherein the box body ( 2 ) is provided with a first partition ( 3 ) and a second partition ( 4 ) therein which are perpendicular to a bottom of the box body ( 2 ), and the first partition ( 3 ) and the second partition ( 4 ) are fixedly connected to the bottom of the box body ( 2 ); and a filtration groove ( 5 ) is defined between the first partition ( 3 ) and the second partition ( 4 ), and the filtration groove ( 5 ) is provided with filtration cotton ( 12 ) therein.   
     
     
         2 . The water-changing-free terrarium with the pipeline type biofiltration system as claimed in  claim 1 , wherein the filtration assembly ( 6 ) comprises:
 a water pump ( 7 ), disposed on a left side of the first partition ( 3 ), and fixedly connected to the bottom of the box body ( 2 ); wherein a water inlet ( 14 ) of the water pump ( 7 ) is in communication with the filtration groove ( 5 ) through a pipeline ( 15 );   a horizontal pipeline ( 8 ), disposed on a bottom-right of the second partition ( 4 ); wherein the horizontal pipeline ( 8 ) penetrates through the second partition ( 4 ) and is in communication with the filtration groove ( 5 );   a plurality of vertical pipelines ( 9 ), disposed on a top of the horizontal pipeline ( 8 ); wherein an end of each of the plurality of vertical pipelines ( 9 ) is in communication with the horizontal pipeline ( 8 ), and the plurality of vertical pipelines ( 9 ) are perpendicular to the bottom of the box body ( 2 ); and   an outlet pipe ( 10 ); wherein the outlet pipe ( 10 ) is in communication with a water outlet ( 16 ) of the water pump ( 7 ).   
     
     
         3 . The water-changing-free terrarium with the pipeline type biofiltration system as claimed in  claim 1 , wherein a right side of the second partition ( 4 ) is filled with a modified filter material ( 11 ), and an upper part of the modified filter material ( 11 ) is configured to be provided with a submerged plant. 
     
     
         4 . The water-changing-free terrarium with the pipeline type biofiltration system as claimed in  claim 3 , wherein a preparation method of the modified filter material ( 11 ) comprises:
 (a) mixing maifanstone powder and zeolite powder evenly to obtain mixing powder, soaking the mixing powder in diluted hydrochloric acid to obtain a soaked mixture, and calcining the soaked mixture to obtain pretreated mixing powder;   (b) adding the pretreated mixing powder obtained in the step (a) into deionized water, adding a chitosan solution, sodium bicarbonate and γ-glycidoxypropyltrimethoxysilane into deionized water added with the pretreated mixing powder, stirring the deionized water added with the pretreated mixing powder, the chitosan solution, the sodium bicarbonate and the γ-glycidoxypropyltrimethoxysilane for reaction to obtain a first mixture, filtering the first mixture to obtain a first filtered mixture and drying the first filtered mixture to obtain filter material powder;   (c) mixing the filter material powder obtained in the step (b) with cement evenly to obtain a second mixture, adding the second mixture into deionized water for stirring evenly to obtain a third mixture, performing granulation molding on the third mixture to obtain a molded mixture, and roasting the molded mixture to obtain filter material particles; and   (d) adding the filter material particles obtained in the step (c) into a compound bacterial solution for oscillating at room temperature for 2-4 hours (h) to obtain an oscillated mixture, adding soluble pentosan into the oscillated mixture for stirring evenly, adding a potassium chloride solution and pentaerythritol tetra acrylate into the oscillated mixture added with the soluble pontosan to obtain a fourth mixture, performing a crosslinking reaction on the fourth mixture to obtain a crosslinked mixture, filtering the crosslinked mixture to obtain a second filtered mixture, and drying the second filtered mixture at the room temperature to obtain the modified filter material.   
     
     
         5 . The water-changing-free terrarium with the pipeline type biofiltration system as claimed in  claim 4 , wherein in the step (a), a weight ratio of the maifanstone powder and the zeolite powder is in a range of 1:0.5-2; a weight concentration of the diluted hydrochloric acid is in a range of 3-7%; a period for the soaking is in a range of 2-4 h; and a temperature for the calcining is in a range of 400-600 Celsius degree (° C.), and a period for the calcining is in a range of 1-3 h. 
     
     
         6 . The water-changing-free terrarium with the pipeline type biofiltration system as claimed in  claim 4 , wherein in the step (b), a weight concentration of the chitosan solution is in a range of 30-60 grams per liter (g/L); a weight ratio of the pretreated mixing powder:the chitosan solution:the sodium bicarbonate:the γ-glycidoxypropyltrimethoxysilane is in a range of 50:100-150:5-8:2-4; and a temperature for the stirring is in a range of 50-60° C., and a period for the stirring is in a range of 4-6 h. 
     
     
         7 . The water-changing-free terrarium with the pipeline type biofiltration system as claimed in  claim 4 , wherein in the step (c), a weight ratio of the filter material powder: the cement: the deionized water is in a range of 10:1-1.5:2-4; and a temperature for the roasting is in a range of 350-500° C., and a period for the roasting is in a range of 2-5 h. 
     
     
         8 . The water-changing-free terrarium with the pipeline type biofiltration system as claimed in  claim 4 , wherein in the step (d), the compound bacterial solution is a mixing solution of  Bacillus subtilis  and nitrifying bacteria, and strain concentrations of the  Bacillus subtilis  and the nitrifying bacteria are 3-5×10 10  per milliliter (/mL) and 1-2×10 10 /mL, respectively; a weight concentration of the potassium chloride solution is in a range of 2-4%; a weight ratio of the filter material particles: the soluble pentosan: the potassium chloride solution: the pentaerythritol tetra acrylate is in a range of 50:3-5:100-200:1-2; and a temperature for the crosslinking reaction is in a range of 20-30° C., and a period for the crosslinking reaction is in a range of 5-8 h. 
     
     
         9 . The water-changing-free terrarium with the pipeline type biofiltration system as claimed in  claim 2 , wherein a height of a water surface ( 13 ) of the terrarium body ( 1 ) is lower than a height of the outlet pipe ( 10 ); and a top of the filtration groove ( 5 ) is provided with a detachable sealing cover plate ( 17 ), and the detachable sealing cover plate ( 17 ) is configured to replace the filtration cotton ( 12 ). 
     
     
         10 . The water-changing-free terrarium with the pipeline type biofiltration system as claimed in  claim 2 , wherein a number of the filtration assembly ( 6 ) is at least one, and the outlet pipe ( 10 ) is inverted L-shaped. 
     
     
         11 . The water-changing-free terrarium with the pipeline type biofiltration system as claimed in  claim 3 , wherein the submerged plant comprises at least one selected from the group consisting of  Myriophyllum verticillatum, Potamogeton wrightii, Vallisneria natans , and  Hydrilla verticillata.    
     
     
         12 . The water-changing-free terrarium with the pipeline type biofiltration system as claimed in  claim 4 , wherein the filter material particles are spherical with a particle size of 3-5 millimeters (mm). 
     
     
         13 . A water-changing-free terrarium, comprising:
 a terrarium body ( 1 );   a box body ( 2 ), disposed in the terrarium body ( 1 ), and fixedly connected to a bottom of the terrarium body ( 1 );   a filtration assembly ( 6 ), disposed in the box body ( 2 );   a partition ( 4 ), disposed in the box body ( 2 ); and   a modified filter material ( 11 ), disposed in the box body ( 2 ) and located at a side of the partition ( 4 ); wherein the modified filter material ( 11 ) is configured to adsorb and decompose impurities of water in the terrarium body ( 1 ).   
     
     
         14 . The water-changing-free terrarium as claimed in  claim 13 , further comprising:
 another partition ( 3 ), disposed in the box body ( 2 ); wherein the another partition ( 3 ) and the partition ( 4 ) define a filtration groove ( 5 ) therebetween; and   filtration cotton ( 12 ), filled in the filtration groove ( 5 ).   
     
     
         15 . The water-changing-free terrarium as claimed in  claim 14 , wherein the filtration assembly ( 3 ) comprises:
 a water pump ( 7 ), disposed on a left side of the another partition ( 3 ), and fixedly connected to a bottom of the box body ( 2 ); wherein a water inlet ( 14 ) of the water pump ( 7 ) is in communication with the filtration groove ( 5 ) through a pipeline ( 15 );   a horizontal pipeline ( 8 ), disposed on a bottom-right of the partition ( 4 ); wherein the horizontal pipeline ( 8 ) penetrates through the partition ( 4 ) and is in communication with the filtration groove ( 5 );   a plurality of vertical pipelines ( 9 ), disposed on a top of the horizontal pipeline ( 8 ); wherein an end of each of the plurality of vertical pipelines ( 9 ) is in communication with the horizontal pipeline ( 8 ), and the plurality of vertical pipelines ( 9 ) are perpendicular to the bottom of the box body ( 2 ); and   an outlet pipe ( 10 ); wherein the outlet pipe ( 10 ) is in communication with a water outlet ( 16 ) of the water pump ( 7 );   wherein the another partition ( 3 ) is closer to the water pump ( 7 ) relative to the partition ( 4 ).   
     
     
         16 . The water-changing-free terrarium as claimed in  claim 13 , wherein a preparation method of the modified filter material ( 11 ) comprises:
 (a) mixing maifanstone powder and zeolite powder evenly to obtain mixing powder, soaking the mixing powder in diluted hydrochloric acid to obtain a soaked mixture, and calcining the soaked mixture to obtain pretreated mixing powder;   (b) adding the pretreated mixing powder obtained in the step (a) into deionized water, adding a chitosan solution, sodium bicarbonate and γ-glycidoxypropyltrimethoxysilane into deionized water added with the pretreated mixing powder, stirring the deionized water added with the pretreated mixing powder, the chitosan solution, the sodium bicarbonate and the γ-glycidoxypropyltrimethoxysilane for reaction to obtain a first mixture, filtering the first mixture to obtain a first filtered mixture, and drying the first filtered mixture to obtain filter material powder;   (c) mixing the filter material powder obtained in the step (b) with cement evenly to obtain a second mixture, adding the second mixture into deionized water for stirring evenly to obtain a third mixture, performing granulation molding on the third mixture to obtain a molded mixture, and roasting the molded mixture to obtain filter material particles; and   (d) adding the filter material particles obtained in the step (c) into a compound bacterial solution for oscillating at room temperature for 2-4 h to obtain an oscillated mixture, adding soluble pentosan into the oscillated mixture for stirring evenly, adding a potassium chloride solution and pentaerythritol tetra acrylate into oscillated mixture added with the soluble pentosan to obtain a fourth mixture, performing a crosslinking reaction on the fourth mixture to obtain a crosslinked mixture, filtering the crosslinked mixture to obtain a second filtered mixture, and drying the second filtered mixture at the room temperature to obtain the modified filter material.   
     
     
         17 . A pipeline type biofiltration system, comprising:
 a box body ( 2 ); and   a filtration assembly ( 6 ), disposed in the box body ( 2 );   a first partition ( 3 ) and a second partition ( 4 ), disposed in the box body ( 2 ) and perpendicular to a bottom of the box body ( 2 ); wherein the first partition ( 3 ) and the second partition ( 4 ) are fixedly connected to the bottom of the box body ( 2 ), and define a filtration groove ( 5 ) therebetween, and the filtration groove ( 5 ) is provided with filtration cotton ( 12 ) therein; and   a modified filter material ( 11 ), disposed in the box body ( 2 ) and located at a right side of the second partition ( 4 ); wherein the modified filter material ( 11 ) is configured to adsorb and decompose impurities in water.   
     
     
         18 . The pipeline type biofiltration system as claimed in  claim 17 , wherein the filtration assembly ( 6 ) comprises:
 a water pump ( 7 ), disposed on a left side of the first partition ( 3 ), and fixedly connected to the bottom of the box body ( 2 ); wherein a water inlet ( 14 ) of the water pump ( 7 ) is in communication with the filtration groove ( 5 ) through a pipeline ( 15 );   a horizontal pipeline ( 8 ), disposed on a bottom-right of the second partition ( 4 ); wherein the horizontal pipeline ( 8 ) penetrates through the second partition ( 4 ) and is in communication with the filtration groove ( 5 );   a plurality of vertical pipelines ( 9 ), disposed on a top of the horizontal pipeline ( 8 ); wherein an end of each of the plurality of vertical pipelines ( 9 ) is in communication with the horizontal pipeline ( 8 ), and the plurality of vertical pipelines ( 9 ) are perpendicular to the bottom of the box body ( 2 ); and   an outlet pipe ( 10 ); wherein the outlet pipe ( 10 ) is in communication with a water outlet ( 16 ) of the water pump ( 7 ).   
     
     
         19 . The pipeline type biofiltration system as claimed in  claim 17 , wherein a top of the filtration groove ( 5 ) is provided with a detachable sealing cover plate ( 17 ), and the detachable sealing cover plate ( 17 ) is configured to replace the filtration cotton ( 12 ). 
     
     
         20 . The pipeline type biofiltration system as claimed in  claim 17 , wherein a preparation method of the modified filter material ( 11 ) comprises:
 (a) mixing maifanstone powder and zeolite powder evenly to obtain mixing powder, soaking the mixing powder in diluted hydrochloric acid to obtain a soaked mixture, and calcining the soaked mixture to obtain pretreated mixing powder;   (b) adding the pretreated mixing powder obtained in the step (a) into deionized water, adding a chitosan solution, sodium bicarbonate and γ-glycidoxypropyltrimethoxysilane into deionized water added with the pretreated mixing powder, stirring the deionized water added with the pretreated mixing powder, the chitosan solution, the sodium bicarbonate and the γ-glycidoxypropyltrimethoxysilane for reaction to obtain a first mixture, filtering the first mixture to obtain a first filtered mixture, and drying the first filtered mixture to obtain filter material powder;   (c) mixing the filter material powder obtained in the step (b) with cement evenly to obtain a second mixture, adding the second mixture into deionized water for stirring evenly to obtain a third mixture, performing granulation molding on the third mixture to obtain a molded mixture, and roasting the molded mixture to obtain filter material particles; and   (d) adding the filter material particles obtained in the step (c) into a compound bacterial solution for oscillating at room temperature for 2-4 h to obtain an oscillated mixture, adding soluble pentosan into the oscillated mixture for stirring evenly, adding a potassium chloride solution and pentaerythritol tetra acrylate into oscillated mixture added with the soluble pentosan to obtain a fourth mixture, performing a crosslinking reaction on the fourth mixture to obtain a crosslinked mixture, filtering the crosslinked mixture to obtain a second filtered mixture, and drying the second filtered mixture at the room temperature to obtain the modified filter material.